<template>
  <div class="top-menu">
    <el-menu :default-active="activeIndex"
             mode="horizontal"
             text-color="#333">
      <template v-for="(item,index) in items">
        <el-menu-item :index="item.id+''"
                      @click.native="openMenu(item)"
                      :key="index">
          <template slot="title">
            <i :class="item.icon"></i>
            <span>{{generateTitle(item)}}</span>
          </template>
        </el-menu-item>
      </template>
    </el-menu>
  </div>
</template>

<script>
  import {mapGetters} from "vuex";

  export default {
    name: "top-menu",
    data() {
      return {
        activeIndex: "0",
        items: []
      };
    },
    created() {
      this.GetTopMenu();
    },
    computed: {
      ...mapGetters(["tagCurrent", "menu"])
    },
    methods: {
      GetTopMenu() {
        this.$store.dispatch("GetTopMenu").then(res => {
          this.items = res.data;
        });
      },
      generateTitle(item) {
        return this.$router.$avueRouter.generateTitle(
          item.topName,
          (item.meta || {}).i18n
        );
      },
      openMenu(item) {
        console.log(item);
        this.$store.dispatch("GetTopMenuById", item.id).then(data => {
          if (data.length !== 0) {
            this.$router.$avueRouter.formatRoutes(data, true);
          }
          let itemActive,
            childItemActive = 0;
          if (item.path) {
            itemActive = item;
          } else {
            if (this.menu[childItemActive].length == 0) {
              itemActive = this.menu[childItemActive];
            } else {
              itemActive = this.menu[childItemActive].children[childItemActive];
            }
          }
          this.$router.push({
            path: this.$router.$avueRouter.getPath({
              name: itemActive.label,
              src: itemActive.path,
              // i18n: itemActive.meta.i18n  //todo 会报错，暂时注释掉
            })
          });
        });
      }
    }
  };
</script>
